
Step 1 · Toast the Seeds
Toast the black sesame seeds in a dry skillet over medium heat for 2-3 minutes, shaking often, until fragrant.
Step 2 · Grind
Grind the toasted seeds in a spice grinder, mortar, or blender until mostly powdered with a little texture remaining.
Step 3 · Whisk the Base
Whisk the ground sesame with the rice vinegar, soy sauce, honey, and sesame oil, then slowly whisk in the neutral oil.
Step 4 · Thin and Store
Thin with water, a spoonful at a time, until pourable. Store refrigerated in a jar for up to 1 week; shake before using.